Base | Representation |
---|---|
bin | 111111100000111100… |
… | …101001111000100111 |
3 | 20112000212112001201110 |
4 | 333200330221320213 |
5 | 2104132304143043 |
6 | 51155134400103 |
7 | 4633010510424 |
oct | 774074517047 |
9 | 215025461643 |
10 | 68198506023 |
11 | 26a17307a7a |
12 | 11273660033 |
13 | 657b15359b |
14 | 342d670d4b |
15 | 1b923aeb33 |
hex | fe0f29e27 |
68198506023 has 8 divisors (see below), whose sum is σ = 90987862000. Its totient is φ = 45437410368.
The previous prime is 68198505989. The next prime is 68198506027. The reversal of 68198506023 is 32060589186.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-68198506023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68198506027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7059448 + ... + 7069101.
It is an arithmetic number, because the mean of its divisors is an integer number (11373482750).
Almost surely, 268198506023 is an apocalyptic number.
68198506023 is a deficient number, since it is larger than the sum of its proper divisors (22789355977).
68198506023 is a wasteful number, since it uses less digits than its factorization.
68198506023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14130161.
The product of its (nonzero) digits is 622080, while the sum is 48.
The spelling of 68198506023 in words is "sixty-eight billion, one hundred ninety-eight million, five hundred six thousand, twenty-three".
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